https://ezto.mr Chapter 13 Practice HW i Saved Help Save & Exit Check my work mode : This shows what is correct or incorrect for the work you have completed so far. It does not indicate completion. Return to quest Random sampling from four normally distributed populations produced the following data: (You may find it useful to reference the F table.) Treatments 10 A B points - 5 -9 -15 -20 - 4 -4 -18 - 9 -5 -16 - 8 -20 -15 -4 -18 apicture Click here for the Excel Data File a. Calculate the grand mean. (Negative value should be indicated by a minus sign. Round your answer to 2 decimal places.) Grand mean b. Calculate SSTR and MSTR. (Round final answers to 4 decimal places.) SSTR MSTR Mc Graw Hill 520 F Mostly cloudy Search L e ENG 2 ( )Saved c. Calculate SSE and MSE. (Round final answers to 4 decimal places.) SSE VISE d. Specify the competing hypotheses in order to determine whether some differences exist between the nces He: MA S MB S MC; HA: Not all population means are equal. He: MA 2 MB 2 MC; HA: Not all population means are equal. O HO: MA = MB = MC; HA: Not all population means are equal. e-1. Calculate the value of the F(df1, df2) test statistic. (Round final answer to 3 decimal places.) Test statistic e-2. Find the p-value. Search LExcel Ch13_Q02_V08_Data_File - Saved v File Home Insert Draw Page Layout Forn 12 B G13 X fx A B C D E F A B C D -9 15 20 UT D UT -4 -18 -9 16 -8 -20 NO UD WIN -15 -4 -18 10 11 12 13 14 15 16 17 18 19 20 21 22